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A299599 Number of n X 5 0..1 arrays with every element equal to 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1

%I #6 Mar 15 2023 11:09:56

%S 0,17,147,1241,21367,290941,4309263,63960652,948323066,14127922230,

%T 210317480530,3133057401898,46674850544584,695372013568175,

%U 10360170977678019,154354142950256039,2299707005590303111

%N Number of n X 5 0..1 arrays with every element equal to 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A299602.

%H R. H. Hardin, <a href="/A299599/b299599.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..0..0..1..1..1. .0..1..1..1..1. .0..0..0..0..0. .0..0..0..1..1

%e ..0..1..1..1..1. .0..0..1..1..1. .0..0..0..0..1. .0..0..0..0..1

%e ..1..1..1..1..1. .0..1..1..1..1. .0..0..0..1..1. .1..1..1..0..0

%e ..1..0..0..0..0. .1..1..1..1..0. .1..1..1..0..0. .1..1..1..1..0

%e ..0..0..0..0..0. .1..1..1..0..0. .1..1..1..1..0. .1..1..1..1..1

%Y Cf. A299602.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 14 2018

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Last modified April 13 15:06 EDT 2024. Contains 371644 sequences. (Running on oeis4.)